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BMW G29 Z4 sDrive M40i B58 3.0L

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BMW G29 Z4 sDrive M40i B58 3.0L Cooling Expansion Tank Parts

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Coolant Expansion Tank Cap

ES#5493317 - 17138665638 - Coolant Expansion Tank Cap - Seals the high temp circuit expansion tank, preventing coolant and pressure loss - URO - BMW

Seals the high temp circuit expansion tank, preventing coolant and pressure loss 2X Entries Into Our F80 M3 Sweepstakes

Brand:
URO - Corporate Logo
ES#:
5493317
Mfg#:
17138665638
Ships in 1 Business Day
$25.99 USD

Black Auxiliary Coolant Reservoir Cap

ES#4882954 - 201-0394-BLK - Black Auxiliary Coolant Reservoir Cap - Functional and stunningly stylish way to add a nice touch to any engine bay - Precision Raceworks - BMW

Functional and stunningly stylish way to add a nice touch to any engine bay

Brand:
Precision Raceworks - Corporate Logo
ES#:
4882954
Mfg#:
201-0394-BLK
Ships in 9 Business Days
$94.99 USD
Free Shipping
on orders $49 and up

EXPANSION TANK

ES#5470478 - 17138610652 - EXPANSION TANK - Whether youre under the hood for a weekend project or keeping a high-performance engine in peak shape, the last thing you want to worry about is a brittle cooling system. Thats where the Rein Automotive Expansion Tank - Rein - BMW

Whether you’re under the hood for a weekend project or keeping a high-performance engine in peak shape, the last thing you want to worry about is a brittle cooling system. That’s where the Rein Automotive Expansion Tank 2X Entries Into Our F80 M3 Sweepstakes

Brand:
Rein - Corporate Logo
ES#:
5470478
Mfg#:
17138610652
Back Ordered
ON SALE!
$119.99

This product was last offered at the strikethrough price on
08-31-2026

$113.62 USD
This product is lifetime replacement eligible Lifetime Replacement

More About Cooling Expansion Tank Parts

A common source of overheating problems is a broken or leaking coolant expansion tank. Replace it with an OEM coolant expansion tank or quality aftermarket expansion tank to prevent future woes.

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